#! /bin/sh
### BEGIN INIT INFO
# Provides:          Rifidi Edge Server
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Starts and stops the Rifidi Edge Server
# Description:       This file is the init script for the Rifidi Edge Server
### END INIT INFO
#
# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Rifidi Edge Server"
NAME=rifidi-server
DIR=/usr/local/sbin/rifidi
DAEMON=$DIR/$NAME
DAEMON_ARGS=""
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/rifidi-server

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
#[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
	start-stop-daemon --start --quiet --background --make-pid --pidfile $PIDFILE --chdir $DIR --exec $DAEMON --test > /dev/null \
		|| return 1
	start-stop-daemon --start --quiet --background --make-pid --pidfile $PIDFILE --chdir $DIR --exec $DAEMON -- \
		$DAEMON_ARGS \
		|| return 2
	# Add code here, if necessary, that waits for the process to be ready
	# to handle requests from services started subsequently which depend
	# on this one.  As a last resort, sleep for some time.
}

#
# Function that stops the daemon/service
#
do_stop()
{
	# Return
	#   0 if daemon has been stopped
	#   1 if daemon was already stopped
	#   2 if daemon could not be stopped
	#   other if a failure occurred
	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
	RETVAL="$?"
	[ "$RETVAL" = 2 ] && return 2
	# Wait for children to finish too if this is a daemon that forks
	# and if the daemon is only ever run from this initscript.
	# If the above conditions are not satisfied then add some other code
	# that waits for the process to drop all resources that could be
	# needed by services started subsequently.  A last resort is to
	# sleep for some time.
	start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
	[ "$?" = 2 ] && return 2

	# XXX - Hacked a python script in place because this thing doesn't work  
	python $DIR/rifidi-shutdown.py
        # Many daemons don't delete their pidfiles when they exit.
	rm -f $PIDFILE
	return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
	#
	# If the daemon can reload its configuration without
	# restarting (for example, when it is sent a SIGHUP),
	# then implement that here.
	#
	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
	return 0
}

#
# Function that adds rules to firewall
#
add_ip_rules(){
	iptables --append INPUT --protocol tcp --source 127.0.0.1 --dport 2020 --jump ACCEPT
	iptables --append INPUT --protocol tcp --dport 2020 --jump REJECT
}

#
# Function that removes rules from firewall
#
del_ip_rules(){
	iptables --delete INPUT --protocol tcp --source 127.0.0.1 --dport 2020 --jump ACCEPT
	iptables --delete INPUT --protocol tcp --dport 2020 --jump REJECT
}

case "$1" in
  start)
	log_daemon_msg "Starting $DESC" "$NAME"
	do_start
	case "$?" in
		0) add_ip_rules && log_daemon_msg "$DESC started" && log_end_msg 0 ;;
		1) log_daemon_msg "$DESC already started" && log_end_msg 0;;
		2) log_daemon_msg "$DESC not started" && log_end_msg 1;;
	esac
	;;
  stop)
	log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	case "$?" in
		0) del_ip_rules && log_end_msg 0;;
		1) log_daemon_msg "$DESC already stopped" && log_end msg 0;; 
		2) log_end_msg 1;;
	esac
	;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  #reload|force-reload)
	#
	# If do_reload() is not implemented then leave this commented out
	# and leave 'force-reload' as an alias for 'restart'.
	#
	#log_daemon_msg "Reloading $DESC" "$NAME"
	#do_reload
	#log_end_msg $?
	#;;
#  restart|force-reload)
	#
	# If the "reload" option is implemented then remove the
	# 'force-reload' alias
	#
#	log_daemon_msg "Restarting $DESC" "$NAME"
#	do_stop
#	case "$?" in
#	  0|1)
#	  	del_ip_rules
#	  	do_start
#		case "$?" in
#			0) add_ip_rules && log_end_msg 0 ;;
#			1) log_end_msg 1 ;; # Old process is still running
#			*) log_end_msg 1 ;; # Failed to start
#		esac
#		;;
#	  *)
	  	# Failed to stop
#		log_end_msg 1
#		;;
#	esac
#	;;
  *)
	echo "Usage: $SCRIPTNAME {start|stop|status}" >&2
	exit 3
	;;
esac


